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Ferdos Kord Mostafapour
Department of Environmental Health, Health Promotion Research Center, School of Public Health, Zahedan University of Medical Sciences, Zahedan, Iran
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Photocatalytic Degradation of Amoxicillin Using UV/Synthesized NiO from Pharmaceutical Wastewater Davoud Balarak; Ferdos Kord Mostafapour
Indonesian Journal of Chemistry Vol 19, No 1 (2019)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (11.002 KB) | DOI: 10.22146/ijc.33837

Abstract

The nano nickel(II) oxide (NiO) was synthesized by sol-gel method and used for degradation of Amoxicillin (AMO) from pharmaceutical wastewater. In this laboratory study, the effects of nanoparticle dose (0.25–2 g/L), reaction time (10–120 min), initial antibiotic concentration (25–200 mg/L) and lamp power (15 W) on AMO removal efficiency were assessed in a batch photocatalytic reactor. Antibiotic concentration in output was measured by the spectrophotometer at the maximum wavelength of 280 nm. The optimum nano NiO dose was obtained to be 0.2 g/L. In this study, the removal efficiency decreased with increasing the concentration of AMO. Under optimal conditions of concentration, the removal efficiency was 96%. It was found that increasing the exposure time to UV increased the rate of AMO degradation in solution. The results also showed that the photo-degradation reaction approximately follows the pseudo-first-order kinetics with constant rates of 0.084, 0.074 and 0.046 min-1 for concentrations of 25, 50 and 100 mg/L, respectively. On the basis of the obtained results, it can be concluded that UV/NiO photocatalytic process can efficiently remove AMO from pharmaceutical wastewater.
Co-Authors Davoud Balarak